Etymology of the English word querulous
the English word
querulousderived from the Old French word
querelosderived from the Late Latin word
querulosusderived from the Latin word
querulus (complaining, querulous; giving forth a mournful sound)
derived from the Latin word
queri (complain; protest, grumble)
derived from the Proto-Indo-European root
*kwes-Date
The earliest known usage of querulous in English dates from the 15th century.
Usage
Word found in Modern English